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CWE-191

493 CVEs • Abstraction: Base

Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

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CVEs (493)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Ffmpeg
1Ffmpeg
Apr 29, 2026
May 9, 2012
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Integer underflow in the asfrtp_parse_packet function in libavformat/rtpdec_asf.c in FFmpeg before 0.8.3 allows remote attackers to execute arbitrary code via a crafted ASF packet.
1Linux
1Linux Kernel
Apr 29, 2026
Aug 29, 2011
N/A· v4
N/A· v3
8.3 HIGH· v2
Integer underflow in the l2cap_config_req function in net/bluetooth/l2cap_core.c in the Linux kernel before 3.0 allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified o...Show more
Integer underflow in the l2cap_config_req function in net/bluetooth/l2cap_core.c in the Linux kernel before 3.0 allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a small command-size value within the command header of a Logical Link Control and Adaptation Protocol (L2CAP) configuration request, leading to a buffer overflow.Show less
2Fedoraproject
Linux
2Fedora
Linux Kernel
Apr 29, 2026
Jun 24, 2011
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet...Show more
Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.Show less
1Linux
1Linux Kernel
Apr 29, 2026
Jan 13, 2011
N/A· v4
N/A· v3
2.1 LOW· v2
Integer underflow in the irda_getsockopt function in net/irda/af_irda.c in the Linux kernel before 2.6.37 on platforms other than x86 allows local users to obtain potentially sensitive information from kernel heap memory...Show more
Integer underflow in the irda_getsockopt function in net/irda/af_irda.c in the Linux kernel before 2.6.37 on platforms other than x86 allows local users to obtain potentially sensitive information from kernel heap memory via an IRLMP_ENUMDEVICES getsockopt call.Show less
4Debian
LinuxOpensuse+1 more
7Debian Linux
Linux Enterprise DesktopLinux Enterprise Real Time Extension+4 more
Apr 29, 2026
Jan 3, 2011
N/A· v4
N/A· v3
7.8 HIGH· v2
Multiple integer underflows in the x25_parse_facilities function in net/x25/x25_facilities.c in the Linux kernel before 2.6.36.2 allow remote attackers to cause a denial of service (system crash) via malformed X.25 (1) X...Show more
Multiple integer underflows in the x25_parse_facilities function in net/x25/x25_facilities.c in the Linux kernel before 2.6.36.2 allow remote attackers to cause a denial of service (system crash) via malformed X.25 (1) X25_FAC_CLASS_A, (2) X25_FAC_CLASS_B, (3) X25_FAC_CLASS_C, or (4) X25_FAC_CLASS_D facility data, a different vulnerability than CVE-2010-3873.Show less
3Apple
DebianFreetype
3Debian Linux
FreetypeMac Os X
Apr 29, 2026
Aug 19, 2010
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Integer underflow in glyph handling in FreeType before 2.4.0 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted font file.
3Apache
CanonicalDebian
3Debian Linux
OpenofficeUbuntu Linux
Apr 29, 2026
Feb 16, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
Integer underflow in filter/ww8/ww8par2.cxx in OpenOffice.org (OOo) before 3.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted sprmTDefTable table...Show more
Integer underflow in filter/ww8/ww8par2.cxx in OpenOffice.org (OOo) before 3.2 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted sprmTDefTable table property modifier in a Word document.Show less
2Canonical
Vmware
6Ace
EsxPlayer+3 more
Apr 23, 2026
Sep 21, 2007
N/A· v4
N/A· v3
10.0 HIGH· v2
Integer underflow in the DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 5407...Show more
Integer underflow in the DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075 and ACE 2 before 2.0.1 Build 55017, and Server before 1.0.4 Build 56528 allows remote attackers to execute arbitrary code via a malformed DHCP packet that triggers a stack-based buffer overflow.Show less
1Aol
1Aim
Apr 16, 2026
Jun 9, 2005
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The GIF parser in ateimg32.dll in AOL Instant Messenger (AIM) 5.9.3797 and earlier allows remote attackers to cause a denial of service (crash) via a malformed buddy icon that causes an integer underflow in a loop counte...Show more
The GIF parser in ateimg32.dll in AOL Instant Messenger (AIM) 5.9.3797 and earlier allows remote attackers to cause a denial of service (crash) via a malformed buddy icon that causes an integer underflow in a loop counter variable.Show less
1Barton
1Ngircd
Apr 16, 2026
May 2, 2005
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Integer underflow in the Lists_MakeMask() function in lists.c in ngIRCd before 0.8.2 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long MODE line that...Show more
Integer underflow in the Lists_MakeMask() function in lists.c in ngIRCd before 0.8.2 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long MODE line that causes an incorrect length calculation, which leads to a buffer overflow.Show less
2Canonical
Samba
2Ppp
Ubuntu Linux
Apr 16, 2026
Mar 1, 2005
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
Integer underflow in pppd in cbcp.c for ppp 2.4.1 allows remote attackers to cause a denial of service (daemon crash) via a CBCP packet with an invalid length value that causes pppd to access an incorrect memory location...Show more
Integer underflow in pppd in cbcp.c for ppp 2.4.1 allows remote attackers to cause a denial of service (daemon crash) via a CBCP packet with an invalid length value that causes pppd to access an incorrect memory location.Show less
1Linux
1Linux Kernel
Apr 16, 2026
Dec 23, 2004
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
Integer underflow in the firewall logging rules for iptables in Linux before 2.6.8 allows remote attackers to cause a denial of service (application crash) via a malformed IP packet.
1Tcpdump
1Tcpdump
Apr 16, 2026
May 4, 2004
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Integer underflow in the isakmp_id_print for TCPDUMP 3.8.1 and earlier allows remote attackers to cause a denial of service (crash) via an ISAKMP packet with an Identification payload with a length that becomes less than...Show more
Integer underflow in the isakmp_id_print for TCPDUMP 3.8.1 and earlier allows remote attackers to cause a denial of service (crash) via an ISAKMP packet with an Identification payload with a length that becomes less than 8 during byte order conversion, which causes an out-of-bounds read, as demonstrated by the Striker ISAKMP Protocol Test Suite.Show less