Summary
Jayakrishna Menon discovered that Perl incorrectly handled Perl_my_setenv.
An attacker could use this issue to cause Perl to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2018-18311)
Eiichi Tsukata discovered that Perl incorrectly handled certain regular
expressions. An attacker could use this issue to cause Perl to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10.
(CVE-2018-18312)
Eiichi Tsukata discovered that Perl incorrectly handled certain regular
expressions. An attacker could use this issue to cause Perl to crash,
resulting in a denial of service. (CVE-2018-18313)
Jakub Wilk discovered that Perl incorrectly handled certain regular
expressions. An attacker could use this issue to cause Perl to crash,
resulting in a denial of service. This issue only affected Ubuntu 16.04
LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-18314)
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 14.04 LTS 14.04:LTS | perl | 5.18.2-2ubuntu1.7 |
| Ubuntu · 16.04 LTS 16.04:LTS | perl | 5.22.1-9ubuntu0.6 |
| Ubuntu · 18.04 LTS 18.04:LTS | perl | 5.26.1-6ubuntu0.3 |
Vulnerabilities 4
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Unscored —CVE-2018-18311 EPSS 12%
Perl before 5.26.3 and 5.28.x before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invali…
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Unscored —CVE-2018-18312 EPSS 13%
Perl before 5.26.3 and 5.28.0 before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invali…
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Unscored —
Perl before 5.26.3 has a buffer over-read via a crafted regular expression that triggers disclosure of sensitive inform…
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Unscored —
Perl before 5.26.3 has a buffer overflow via a crafted regular expression that triggers invalid write operations.