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40 CVEs • 1 product

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W3m
w3m

CVEs (40)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
2Fedoraproject
Tats
3Extra Packages For Enterprise Linux
FedoraW3m
Nov 21, 2024
Dec 21, 2023
N/A· v4
5.5 MEDIUM· v3
N/A· v2
An out-of-bounds write issue has been discovered in the backspace handling of the checkType() function in etc.c within the W3M application. This vulnerability is triggered by supplying a specially crafted HTML file to th...Show more
An out-of-bounds write issue has been discovered in the backspace handling of the checkType() function in etc.c within the W3M application. This vulnerability is triggered by supplying a specially crafted HTML file to the w3m binary. Exploitation of this flaw could lead to application crashes, resulting in a denial of service condition.Show less
3Fedoraproject
RedhatTats
4Enterprise Linux
Extra Packages For Enterprise LinuxFedora+1 more
Nov 21, 2024
Jul 14, 2023
N/A· v4
5.5 MEDIUM· v3
N/A· v2
An out-of-bounds read flaw was found in w3m, in the growbuf_to_Str function in indep.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.
3Fedoraproject
RedhatTats
4Enterprise Linux
Extra Packages For Enterprise LinuxFedora+1 more
Feb 8, 2025
Jul 14, 2023
N/A· v4
5.5 MEDIUM· v3
N/A· v2
An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.
2Fedoraproject
Tats
2Fedora
W3m
Nov 4, 2025
Aug 15, 2022
N/A· v4
7.8 HIGH· v3
N/A· v2
There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecif...Show more
There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.Show less
2Canonical
Tats
2Ubuntu Linux
W3m
Nov 21, 2024
Jan 25, 2018
N/A· v4
4.7 MEDIUM· v3
3.3 LOW· v2
w3m through 0.5.3 does not properly handle temporary files when the ~/.w3m directory is unwritable, which allows a local attacker to craft a symlink attack to overwrite arbitrary files.
2Canonical
Tats
2Ubuntu Linux
W3m
Nov 21, 2024
Jan 25, 2018
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
2Canonical
Tats
2Ubuntu Linux
W3m
Nov 21, 2024
Jan 25, 2018
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
w3m through 0.5.3 is prone to an infinite recursion flaw in HTMLlineproc0 because the feed_table_block_tag function in table.c does not prevent a negative indent value.
3Opensuse
Opensuse ProjectTats
3Leap
LeapW3m
May 13, 2026
Jan 20, 2017
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
parsetagx.c in w3m before 0.5.3+git20161009 does not properly initialize values, which allows remote attackers to crash the application via a crafted html file, related to a <i> tag.
3Opensuse
Opensuse ProjectTats
3Leap
LeapW3m
May 13, 2026
Jan 20, 2017
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
The HTMLtagproc1 function in file.c in w3m before 0.5.3+git20161009 does not properly initialize values, which allows remote attackers to crash the application via a crafted html file, related to <dd> tags.
1Tats
1W3m
May 6, 2026
Dec 12, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (infinite loop and resource consumption) via a crafted HTML page.
1Tats
1W3m
May 6, 2026
Dec 12, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (global buffer overflow and crash) via a crafted HTML page.
1Tats
1W3m
May 6, 2026
Dec 12, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.
1Tats
1W3m
May 6, 2026
Dec 12, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (global buffer overflow and crash) via a crafted HTML page.
1Tats
1W3m
May 6, 2026
Dec 12, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.
1Tats
1W3m
May 6, 2026
Dec 12, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.
1Tats
1W3m
May 6, 2026
Dec 12, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (heap buffer overflow and crash) via a crafted HTML page.
1Tats
1W3m
May 6, 2026
Dec 12, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. Infinite recursion vulnerability in w3m allows remote attackers to cause a denial of service via a crafted HTML page.
1Tats
1W3m
May 6, 2026
Dec 12, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. Infinite recursion vulnerability in w3m allows remote attackers to cause a denial of service via a crafted HTML page.
1Tats
1W3m
May 6, 2026
Dec 12, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.
1Tats
1W3m
May 6, 2026
Dec 12, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. w3m allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted HTML page.