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CWE-252

174 CVEs • Abstraction: Base • Likelihood of Exploit: Low

Unchecked Return Value

The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.

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CVEs (174)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
4Canonical
DebianLibtirpc Project+1 more
8Debian Linux
Enterprise LinuxEnterprise Linux Desktop+5 more
Nov 21, 2024
Aug 30, 2018
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maxim...Show more
A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.Show less
1Wireshark
1Wireshark
Nov 21, 2024
Jul 19, 2018
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
In Wireshark 2.6.0 to 2.6.1 and 2.4.0 to 2.4.7, the CoAP protocol dissector could crash. This was addressed in epan/dissectors/packet-coap.c by properly checking for a NULL condition.
1Google
1Android
May 13, 2026
Sep 8, 2017
N/A· v4
5.5 MEDIUM· v3
7.1 HIGH· v2
A denial of service vulnerability in the Android media framework (libstagefright). Product: Android. Versions: 4.4.4, 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2. Android ID: A-62673844.
1Google
1Android
May 13, 2026
Aug 9, 2017
N/A· v4
7.8 HIGH· v3
9.3 HIGH· v2
A remote code execution vulnerability in the Android media framework (libhevc). Product: Android. Versions: 5.0.2, 5.1.1, 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2. Android ID: A-37430213.
1Google
1Android
May 13, 2026
May 12, 2017
N/A· v4
5.5 MEDIUM· v3
7.1 HIGH· v2
A remote denial of service vulnerability in libhevc in Mediaserver could enable an attacker to use a specially crafted file to cause a device hang or reboot. This issue is rated as High severity due to the possibility of...Show more
A remote denial of service vulnerability in libhevc in Mediaserver could enable an attacker to use a specially crafted file to cause a device hang or reboot. This issue is rated as High severity due to the possibility of remote denial of service. Product: Android. Versions: 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2. Android ID: A-34672748.Show less
2Canonical
Debian
2Debian Linux
Ubuntu Linux
May 13, 2026
Mar 28, 2017
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
dmcrypt-get-device, as shipped in the eject package of Debian and Ubuntu, does not check the return value of the (1) setuid or (2) setgid function, which might cause dmcrypt-get-device to execute code, which was intended...Show more
dmcrypt-get-device, as shipped in the eject package of Debian and Ubuntu, does not check the return value of the (1) setuid or (2) setgid function, which might cause dmcrypt-get-device to execute code, which was intended to run as an unprivileged user, as root. This affects eject through 2.1.5+deb1+cvs20081104-13.1 on Debian, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.16.10.1 on Ubuntu 16.10, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.16.04.1 on Ubuntu 16.04 LTS, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.14.04.1 on Ubuntu 14.04 LTS, and eject before 2.1.5+deb1+cvs20081104-9ubuntu0.1 on Ubuntu 12.04 LTS.Show less
1Imagemagick
1Imagemagick
May 13, 2026
Mar 3, 2017
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
The ReadGROUP4Image function in coders/tiff.c in ImageMagick before 7.0.1-10 does not check the return value of the fputc function, which allows remote attackers to cause a denial of service (crash) via a crafted image f...Show more
The ReadGROUP4Image function in coders/tiff.c in ImageMagick before 7.0.1-10 does not check the return value of the fputc function, which allows remote attackers to cause a denial of service (crash) via a crafted image file.Show less
1Imagemagick
1Imagemagick
May 13, 2026
Mar 2, 2017
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
The ConcatenateImages function in MagickWand/magick-cli.c in ImageMagick before 7.0.1-10 does not check the return value of the fputc function, which allows remote attackers to cause a denial of service (application cras...Show more
The ConcatenateImages function in MagickWand/magick-cli.c in ImageMagick before 7.0.1-10 does not check the return value of the fputc function, which allows remote attackers to cause a denial of service (application crash) via a crafted file.Show less
4Apple
OpenldapOpensuse+1 more
5Esxi
Mac Os XMac Os X Server+2 more
Apr 29, 2026
Jul 28, 2010
N/A· v4
9.8 CRITICAL· v3
5.0 MEDIUM· v2
The slap_modrdn2mods function in modrdn.c in OpenLDAP 2.4.22 does not check the return value of a call to the smr_normalize function, which allows remote attackers to cause a denial of service (segmentation fault) and po...Show more
The slap_modrdn2mods function in modrdn.c in OpenLDAP 2.4.22 does not check the return value of a call to the smr_normalize function, which allows remote attackers to cause a denial of service (segmentation fault) and possibly execute arbitrary code via a modrdn call with an RDN string containing invalid UTF-8 sequences, which triggers a free of an invalid, uninitialized pointer in the slap_mods_free function, as demonstrated using the Codenomicon LDAPv3 test suite.Show less
1Isc
1Bind
Apr 23, 2026
Jan 26, 2009
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
Internet Systems Consortium (ISC) BIND 9.6.0 and earlier does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via...Show more
Internet Systems Consortium (ISC) BIND 9.6.0 and earlier does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077 and CVE-2009-0025.Show less
5Canonical
DebianFedoraproject+2 more
5Debian Linux
FedoraLoop Aes Utils+2 more
Apr 23, 2026
Oct 4, 2007
N/A· v4
N/A· v3
7.2 HIGH· v2
mount and umount in util-linux and loop-aes-utils call the setuid and setgid functions in the wrong order and do not check the return values, which might allow attackers to gain privileges via helpers such as mount.nfs.
6Apple
CanonicalDebian+3 more
7Debian Linux
FreebsdMac Os X+4 more
Apr 23, 2026
Jul 16, 2007
N/A· v4
9.8 CRITICAL· v3
6.8 MEDIUM· v2
Integer overflow in print-bgp.c in the BGP dissector in tcpdump 3.9.6 and earlier allows remote attackers to execute arbitrary code via crafted TLVs in a BGP packet, related to an unchecked return value.
1Microsoft
1Internet Information Services
Apr 16, 2026
Dec 20, 2005
N/A· v4
N/A· v3
7.8 HIGH· v2
The URL parser in Microsoft Internet Information Services (IIS) 5.1 on Windows XP Professional SP2 allows remote attackers to execute arbitrary code via multiple requests to ".dll" followed by arguments such as "~0" thro...Show more
The URL parser in Microsoft Internet Information Services (IIS) 5.1 on Windows XP Professional SP2 allows remote attackers to execute arbitrary code via multiple requests to ".dll" followed by arguments such as "~0" through "~9", which causes ntdll.dll to produce a return value that is not correctly handled by IIS, as demonstrated using "/_vti_bin/.dll/*/~0". NOTE: the consequence was originally believed to be only a denial of service (application crash and reboot).Show less
2Apple
Debian
3Cups
Debian LinuxMac Os X
Apr 16, 2026
Dec 26, 2002
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
Common Unix Printing System (CUPS) 1.1.14 through 1.1.17 does not properly check the return values of various file and socket operations, which could allow a remote attacker to cause a denial of service (resource exhaust...Show more
Common Unix Printing System (CUPS) 1.1.14 through 1.1.17 does not properly check the return values of various file and socket operations, which could allow a remote attacker to cause a denial of service (resource exhaustion) by causing file descriptors to be assigned and not released, as demonstrated by fanta.Show less